The Amplifier

Glenn Lightsey

ProfessorDaniel Guggenheim School of Aeronautical Engineering, College of Engineering

Astronaut John Glenn, the first American to orbit Earth, died Wednesday at the age of 95. Glenn completed a three-orbit flight in Friendship 7 in 1962. He later became a U.S. Senator in Ohio. At the age of 77, he returned to space and became the oldest person ever to launch. ...

Frank Stewart

Assistant Professor of Environmental Science & TechnologySchool of Biological Sciences, College of Sciences

Oceanic dead zones are natural laboratories for exploring biological diversity. In a study published this year in the journal Nature, scientists at Georgia Tech discovered novel species of the world's most abundant organism group, a bacterial clade called SAR11, that have adapted to life in dead...